Chemical Analysis Instruments
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| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | CN802 |
| Detection Principle | High-Temperature Combustion (Dumas Method) coupled with NDIR CO₂ detection and TCD N₂ detection |
| Sample Throughput | Up to 30 samples unattended |
| Sample Form | Solid and liquid (up to 1 g) |
| Carrier Gases | Helium or Argon (switchable without hardware modification) |
| Compliance | AOAC, AACC, ASBC, ISO, DIN, IFFO, OIV, ASTM, EPA |
| Detection Technologies | NDIR for CO₂, LoGas™ TCD for N₂ |
| Moisture Removal | DriStep™ integrated desiccant system |
| Automation | 30-position autosampler (expandable to 90 positions with additional trays) |
| Software Platform | CNSoft™ + Ermes Cloud Connectivity |
| Regulatory Support | Audit trail, user management, electronic signatures (21 CFR Part 11 ready) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | CN802 |
| Analysis Principle | Dumas Combustion Method |
| Measurement Range | 0.001–200 mg N (equivalent to ppm–100% N in sample) |
| Sample Weight | 200 mg–1 g |
| Digestion/Combustion Time | 3–4 min per sample |
| Repeatability | RSD < 0.5% (verified with EDTA reference standard) |
| Detection Limits | 0.01 mg C, 0.001 mg N |
| Recovery Rate | >99.5% |
| Power Consumption | 1400 W |
| Dimensions (L×W×H) | 655 × 510 × 410 mm |
| Carrier Gas Options | Helium or Argon (dual-gas system, no hardware modification required) |
| Compliance | Designed for GLP/GMP environments |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | CSF6-GDE |
| Application Principle | Enzymatic-gravimetric method per AOAC 991.43 and AOAC 2009.01 |
| Sample Capacity | 6 independent positions (CSF6) + 6-position magnetic stirring (GDE) |
| Filtration System | Vacuum-assisted with adjustable vacuum control and gas-backflush |
| Digestion System | Immersion-heated water bath with ±0.2 °C temperature stability, programmable time/temperature profiles |
| Compliance | AOAC Official Methods 991.43 (Total Dietary Fiber), 2009.01 (Soluble/Insoluble Dietary Fiber), and ISO 13905 |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | DKL Series |
| Instrument Type | Kjeldahl Digestion Unit |
| Max Operating Temperature | 450 °C |
| Temperature Accuracy | ±0.5 °C |
| Ramp Time to 450 °C | 22 min |
| Programmable Steps | 54 |
| Heating Module | Anodized Aluminum Block |
| Digestion Tube Compatibility | DKL8 (250 mL, Ø42 mm), DKL12 (250/400 mL, Ø42 mm), DKL20 (250 mL, Ø42 mm), DKL42 (100 mL, Ø26 mm) |
| Automation Level | Fully Automatic (Digestion + Cooling + End-of-Process Alert) |
| User Interface | Detached LCD Display |
| Unique Technology | VELP TEMS™ (Time, Energy, Money, Space Optimization) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | DKL Series |
| Heating Temperature Range | Room Temperature to 450 °C |
| Temperature Control Accuracy | ±0.5 °C |
| Programmable Heating Profiles | 54 Predefined + 24 User-Defined |
| Heating Ramp Stages | 4 |
| Heating Duration | 0–999 min |
| Automatic Lift Arm | Yes |
| Compliance Standards | AOAC, EPA, DIN, ISO |
| Display Interface | Multilingual (including Chinese) |
| Available Configurations | DKL8 (8-position), DKL12 (12-position), DKL20 (20-position), DKL42 (42-position) |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Instrument Type | Dumas Combustion Analyzer |
| Automation Level | Fully Automated |
| Measurement Range | 5–20 mg sample mass |
| Sample Weight Capacity | up to 100 mg |
| Distillation Time | 6–12 min |
| Repeatability | ≤ 0.2 % RSD (sulfanilic acid) |
| Oxygen Recovery Rate | ≤ 0.2 % |
| Power Consumption | 570 W |
| Dimensions (L×W×H) | 500 × 510 × 410 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | EMA 502 |
| Detection Elements | C, H, N, S, O |
| Sample Forms | Solid, Paste, Liquid |
| Carrier Gases | Helium, Argon |
| Compliance | AOAC, AACC, ASBC, ISO, DIN, IFFO, OIV, ASTM, EPA |
| Software | EMASoft |
| Cloud Integration | VELP Ermes Platform |
| Automation | Optional Autosampler |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | EMA 502 CHNS-O |
| Measurement Principle | High-Temperature Combustion (CHNS) and Pyrolysis (O) with Gas Chromatography–Thermal Conductivity Detection (GC-TCD) |
| Sample Throughput | Up to 117 samples per run |
| Analysis Time | ≥12 min (CHNS), ≥6 min (O) |
| Detection Method | TCD (no reference gas required) |
| Sample Form | Solid, semi-solid, liquid |
| Max Sample Mass | 100 mg (C-dependent) |
| Calibration Range (He carrier) | C 0.001–20 mg, H 0.001–5 mg, N 0.001–20 mg, S 0.01–6 mg, O 0.005–6 mg |
| Precision (RSD) | ≤0.2% (sulfanilic acid) |
| Operating Temperatures | 1030 °C (CHNS combustion), 1060 °C (O pyrolysis) |
| Carrier Gases | Helium or Argon (Ar for CHN only) |
| Compliance | AOAC, AACC, ASBC, ISO, DIN, IFFO, OIV, ASTM, EPA, FDA 21 CFR Part 11 (optional) |
| Software | EMASoft™ with LIMS export, Ermes Cloud integration |
| Connectivity | USB, RS232, Wi-Fi/LAN |
| Power | 570 W |
| Dimensions (W×H×D) | 500 × 510 × 410 mm (680 mm H with autosampler) |
| Weight | 45 kg |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | NDA 701/702 |
| Principle | Dumas Combustion Method |
| Detection Limit | NDA 701: 0.003 mg N (He) |
| NDA 702 | 0.001 mg N (He) or 0.01 mg N (Ar) |
| Analysis Time | 3–4 min per sample |
| Repeatability (RSD) | <0.5% using EDTA standard (9.57% N) |
| Sample Weight | 1 g |
| Recovery Rate | >99.5% |
| Power Consumption | 1400 W |
| Dimensions (W×D×H) | 655 × 510 × 410 mm |
| Weight | 54 kg |
| Carrier Gas | He (≥99.999%) or Ar (≥99.999%) |
| Oxygen Supply | O₂ (≥99.999%, 2 bar) |
| Combustion Temperature | 1030 °C |
| Detector | Auto-calibrating Thermal Conductivity Detector (TCD) |
| Throughput | Up to 117 samples (4 × 30-position auto-samplers) |
| Compliance | ASTM D515, ISO 13878, AOAC 992.15, EN ISO 16634-1/-2, USP <285>, FDA 21 CFR Part 11 ready (with Ermes software license) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | NDA701 |
| Analysis Method | Dumas combustion |
| Automation Level | Fully automated |
| Detection Limit | 0.003 mg N |
| Reproducibility (RSD) | < 0.5% |
| Recovery | > 99.5% |
| Combustion Temperature | 1030 °C |
| Sample Weight Capacity | up to 1 g |
| Autosampler Capacity | up to 116 samples |
| Carrier Gas | Helium (99.999% purity, 3 bar) |
| Oxygen Supply | 99.999% purity, 3 bar |
| Auxiliary Gas | Compressed air or nitrogen (99.6%, oil- and water-free, 4 bar) |
| Power Consumption | 1400 W |
| Dimensions (W×H×D) | 655 × 510 × 410 mm (655 × 690 × 410 mm with autosampler) |
| Weight | 54 kg |
| Interfaces | USB, RS232 |
| Compliance | AOAC, AACC, ASBC, ISO 14891, OIV |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Instrument Type | Dumas Combustion Method |
| Repeatability | < 0.1% |
| Recovery Rate | > 99.5% |
| Power Consumption | 1400 W |
| Dimensions (L×W×H) | 655 × 510 × 410 mm |
| Weight | 54 kg |
| Voltage/Frequency | 230 V / 50–60 Hz |
| Compliance | ASTM D5623, ISO 14891, AOAC 992.15, EN ISO 16634-1 |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | NDA702 |
| Analysis Principle | Dumas Combustion Method |
| Carrier Gases | Helium or Argon (switchable without hardware modification) |
| Digestion/Combustion Time | 3–4 min per sample |
| Repeatability (RSD) | < 0.5% |
| Recovery Rate | > 99.5% |
| Detection Limit | 0.001 mg N (He), 0.01 mg N (Ar) |
| Combustion Temperature | 1030 °C |
| Power Consumption | 1400 W |
| Auto-sampler Capacity | Up to 117 positions (4 trays × 30 positions) |
| Dimensions (W×D×H) | 655 × 510 × 410 mm |
| Weight | 55 kg |
| Electrical Supply | 230 V / 50 Hz |
| Gas Purity Requirement | ≥99.999% for He/Ar and O₂ |
| Gas Pressure Requirement | 2 bar for carrier gas and O₂ |
| Detector | Calibrated Thermal Conductivity Detector (TCD), reference-gas-free operation |
| Sample Mass Range | Up to 1.0 g |
| Data Interfaces | USB, RS232 |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | OXITEST |
| Instrument Type | Accelerated Oxidation Stability Analyzer |
| Pressure Range | 0–8 bar |
| Temperature Range | Ambient to 110 °C |
| Sample Volume | 100 mL per chamber |
| Power Consumption | 900 W |
| Voltage | 230 V / 50–60 Hz |
| Dimensions (L×W×H) | 365 × 190 × 485 mm |
| Weight | 16.5 kg |
| Safety Features | Integrated safety vacuum tube, visual over-temperature alarm, real-time fault indication |
| Compliance | CE-marked, IEC-compliant, ISO 9001 / ISO 14001 / ISO 45001 (formerly OHSAS 18001) certified |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK 129 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg |
| Distillation Time | 3–5 min per sample |
| Repeatability | ±0.5% |
| Sample Weight Capacity | ≤5 g |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (W×D×H) | 385×416×780 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK 139 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Measurement Range | 0.01–100 mg N |
| Distillation Time | 4 min (for 100 mL sample) |
| Repeatability | ≤1% |
| Sample Mass Requirement | ≥0.1 g N |
| Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (W×D×H) | 385 × 416 × 780 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK 149 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg |
| Distillation Time | 3–4 min/sample |
| Repeatability | ±0.5% |
| Sample Weight Capacity | ≤5 g |
| Nitrogen Recovery Rate | ≥99% |
| Power Consumption | 2100 W |
| Dimensions (W×D×H) | 380 × 416 × 780 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK 159 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Nitrogen Detection Range | ≥ 0.1 mg N |
| Distillation Time | 0–99 min |
| Repeatability | ≤ 1 % |
| Sample Weight Capacity | 10 g |
| Nitrogen Recovery Rate | ≥ 99.5 % |
| Power Consumption | 2200 W |
| Dimensions (L×W×H) | 416 mm × 385 mm × 780 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK 169 & AutoKJEL |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Nitrogen Detection Range | ≥0.1 mg N |
| Distillation Time | 1–99 min |
| Repeatability | ≤1% |
| Sample Weight Capacity | 10 g |
| Nitrogen Recovery Rate | >99.5% |
| Power Consumption | 2200 W |
| Dimensions (W×D×H) | 385 mm × 416 mm × 780 mm |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK129 |
| Housing Material | Corrosion-Resistant Polymer |
| Display | LCD |
| Programmable Methods | User-Defined Protocols |
| NaOH Addition | Automated, 0–100 mL |
| Cooling Water Consumption | 0.5 L/min at 15°C, 1 L/min at 30°C |
| Distillation Time | ≤5 min for 100 mL water |
| Repeatability (RSD) | ≤1% |
| Nitrogen Recovery Rate | ≥99.5% (for N content 1–200 mg) |
| Detection Limit | ≥0.1 mg N |
| Power Rating | 2100 W |
| Voltage/Frequency | 230/115 V, 50/60 Hz |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Weight | 25 kg |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK129 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Distillation Time | 1–99 min (typical: 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Detection Limit | ≥0.1 mg N |
| Cooling Water Flow | 0.5 L/min at 15°C to 1.0 L/min at 30°C |
| Power Consumption | 2100 W |
| Enclosure Material | Reinforced Steel Structure with Chemical-Resistant Coating |
| Sample Tube Compatibility | Conical taper interface supporting digestion tubes up to 500 mL |
| Preheating Time | 90 s |
| Safety Features | Digestion tube presence sensor, closed-alkali delivery system, automatic cooling water shutoff during idle mode |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK139 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg N |
| Sample Weight Capacity | ≤5 g |
| Distillation Time | 1–99 min (typical 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (L×W×H) | 780 mm × 385 mm × 416 mm |
| Safety Features | Steam Generator Overtemperature Protection, Cooling Water Flow Monitoring, Digestion Tube Position Sensor, Safety Door Interlock |
| Interface Ports | RS232, 2×USB, TTL, Ethernet |
| Programmable Methods | Up to 20 user-defined distillation protocols |
| Automatic Functions | Alkali dosing, steam generation, dilution, waste ejection (digestion tube & titration cup), cup rinsing, endpoint detection |
| Display | 3.5-inch capacitive touchscreen with multilingual UI (including English and Chinese) |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK139 |
| Display | 3.5″ Color Touchscreen |
| Programmable Methods | 10 Custom Protocols |
| NaOH/H₂O Addition | Automatic (0–150 mL / 0–200 mL) |
| Steam Output Regulation | 10–100% |
| Cooling Water Consumption | 0.5 L/min at 15°C |
| Repeatability (RSD) | ≤1% |
| Nitrogen Recovery | ≥99.5% (for 1–200 mg N) |
| Detection Limit | ≥0.1 mg N |
| Distillation Time for 100 mL Water | 4 min |
| Power Rating | 2100 W |
| Voltage/Frequency | 230 V, 50–60 Hz |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Weight | 26 kg |
| Interface | 2×USB |
| Enclosure Material | Corrosion-Resistant Polymer Housing |
| Condenser | Titanium-Coated |
| Safety Sensors | Tube Presence, Safety Door Interlock, Alkali Container Guard Rod, Waste Tray Level, Condensate Flow, Reagent Volume Monitoring |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK149 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Automation Level | Fully Automated |
| Nitrogen Determination Range | 0.1–200 mg N |
| Recovery Rate | ≥99.5% (for N content between 0.1–200 mg) |
| Power Consumption | 2100 W |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Touchscreen Display | 3.5-inch color LCD |
| Data Storage Capacity | 50,000 test records |
| Stored Methods | 20 pre-programmed SOPs |
| Repeatability (RSD) | ≤1% |
| Detection Limit | ≥0.1 mg N |
| Steam Output Control | 10–100% adjustable |
| Cooling Water Flow | 0.5 L/min at 15°C |
| Alkali/Water/Acid Dispensing Volume | 0–150 mL / 0–200 mL / 0–100 mL |
| Distillation Time for 100 mL Water | 3 minutes |
| Weight | 27 kg |
| Power Supply | 230 V, 50–60 Hz |
| Connectivity | RS232, USB, TTL, Ehmet interface |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK149 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Distillation Time | 1–99 min (typical cycle: 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (L×W×H) | 385 × 780 × 416 mm |
| Weight | 27 kg |
| Safety Compliance | Integrated thermal, mechanical, and fluid-flow interlocks |
| Interface Ports | RS232, dual USB, TTL, Ethernet |
| Display | 3.5-inch capacitive touchscreen |
| Control Architecture | Fully programmable microprocessor-based automation system |
| Cooling System | High-efficiency titanium condenser (low water consumption) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK159 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Automation Level | Semi-Automated Kjeldahl System |
| Compliance Standards | AOAC, ISO 8968, ISO 1871, EPA 350.1, DIN 10492, DIN 10493 |
| Construction Materials | Corrosion-Resistant Polymer Front Panel, Titanium Condenser, Patented Polymer Anti-Splash Head |
| Safety Features | Tube Presence Sensor, Safety Door Interlock, Alkali Reservoir Guard Rod, Waste Tray Level Detection, Condensate Flow Monitoring, Reagent Volume Monitoring, Color-Coded Tubing |
| Titration Method | Photometric (Colorimetric) Titration per AOAC Official Method 981.10 |
| Interface Options | USB 2.0, RS-232, Optional Ethernet Connectivity |
| Data Management | Onboard Storage, GLP-Compliant Audit Trail, Export via USB Drive or PC Connection |
| Peripheral Compatibility | Integrated Balance Interface, Thermal Printer Support, External Computer Synchronization |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK159 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg N |
| Distillation Time | 1–99 min (typical 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Sample Nitrogen Mass Capacity | 0.1–200 mg N |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2200 W |
| Dimensions (W×D×H) | 385 × 780 × 416 mm |
| Weight | 31 kg |
| Display | 6-inch full-color capacitive touchscreen |
| Operating System | Embedded Windows-based UI |
| Language Options | English, Chinese, Italian, French, Russian |
| Data Storage Capacity | >100,000 test records |
| Connectivity | Ethernet, 2× USB, RS232 |
| Steam Generator | Atmospheric-pressure stainless-steel steam generator with optimized thermal conductivity |
| Condenser | High-efficiency titanium condenser |
| Safety Sensors | Digestion tube position, safety door interlock, drip tray level, cooling water overflow, reagent tank level, waste tank level |
| Protective Features | Splash guard (polymer-based, replacing glass), corrosion-resistant housing, color-coded digestion tubes |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK169 |
| Power Supply | 230 V / 50–60 Hz |
| Distillation Time | 3–4 min |
| Dispensing Precision | ±2 µL per step |
| Sample Capacity | 24 × 250 mL tubes (Ø42 mm) or 21 × 400 mL tubes (Ø52 mm) |
| Nitrogen Recovery Rate | 99.5% |
| Rated Power | 2250 W |
| Dimensions (W×H×D) | 830 × 1730 × 640 mm |
| Weight | 170 kg |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK169 and AutoKjel |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Recovery Rate | ≥99.5% |
| Repeatability | ≤1% |
| Distillation Time (incl. Titration) | 4 min |
| Power Consumption | 2250 W |
| Dimensions (L×W×H) | 830 × 1730 × 416 mm |
| Weight | 171 kg |
| Compliance | ASTM D1144, ISO 8968-1, AOAC 981.10, USP <321>, EN ISO 1871 |
| Software | UDK Control Suite v3.x with GLP-compliant audit trail |
| Connectivity | RS232, USB, optional Ethernet/LAN |
| Sample Throughput | Up to 20 samples per hour (continuous mode) |
| Safety Certifications | CE, IEC 61010-1, IP22 |
| Brand | Vemex YMC |
|---|---|
| Origin | Japan |
| Model | K-Prep FC750 |
| Application Level | Industrial-Scale Preparation |
| Instrument Type | Medium- to Low-Pressure Preparative LC System |
| Flow Rate Range | 1–750 mL/min |
| Flow Accuracy | ±2% (at ≥75 mL/min) |
| Flow Precision | ≤0.5% RSD |
| Maximum Operating Pressure | 10 MPa |
| Wavelength Resolution | 1 nm |
| Data Acquisition Rate | 0.5 s |
| Compliance | GMP-Compliant Design, IQ/OQ-Ready, CSV-Aligned Software Architecture |
| Brand | Princeton Applied Research (PAR) |
|---|---|
| Origin | USA |
| Model | VersaSTAT MC |
| Current Range | 200 nA – 2 A |
| Current Accuracy | ±0.2% of reading |
| Potential Accuracy | ±0.2% of reading ± 2 mV |
| Potentiostatic Range | ±10 V |
| EIS Frequency Range | 10 µHz – 1 MHz |